done issue #50; work on issue #41; improved memory defines to maximize speed
work on issue #41
some changes in keynodes; some work on issue #51
fixed include
done issue #52
added extension for search operations
fixed big #54
done issue #51
sc_search_basic added
Merge pull request #56 from ShunkevichDV/master

add base search operations
re-factor search operations code
removed identifier field in scg-json; disabled search all output arcs operation; some code refactored in search module
done issue #59
done issue #60
add garbage collect module
work on issue #55; re-factoring in base class for translators
done issue #55; rename some keynodes
done issue #61; some code refactored
done issue #62
done issue #65